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Summary of Contents for Enerflow generation 5
- Page 1 Residential Heat Pump USER GUIDE GENERATION 5 Please read this guide before operating the heat pump FOR INFORMATION ONLY Configuration Management M-Tech Industrial (Pty) Ltd...
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Page 2: Table Of Contents
Table of contents Table of contents SAFETY CAUTIONS AND WARNINGS HEAT PUMP CONTROLLER FUNCTIONS Controller and Button Functions 2.2 Heat Pump Modes 2.3 Setting the Time & Day 2.4 Timer Function ELEMENT BACK-UP LEGIONELLA DISINFECTION CYCLE MICRO CIRCULATION FUNCTION HEAT PUMP OPERATING PARAMETERS Changing Parameters MAINTENANCE AND SERVICING Self-maintenance by the user... -
Page 3: Safety Cautions And Warnings
SAFETY CAUTIONS AND WARNINGS WARNING It is the responsibility of the user to operate and use the heat pump according to the instructions detailed in this guide. The user shall ensure that the health and safety of any other person in the area or site near where the heat pump is installed is not endangered by his conduct or activities when operating the heat pump. -
Page 4: Heat Pump Controller Functions
HEAT PUMP CONTROLLER FUNCTIONS Controller and Button Functions Your Enerflow heat pump makes use of an intelligent LCD controller. This controller can be used to inform the user of certain parameters and change settings on the heat pump unit. The changes that can be made with this controller include the following: •... - Page 5 Initialization phase Ready for Operation The user can select between standby mode and heating mode by pressing the button. Heating Fast Mode Heating Mode The user can also activate a fast heating mode by pressing the button. This will activate both the backup element inside the geyser and the heat pump to work simultaneously to heat the water.
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Page 6: Setting The Time & Day
SET button simultaneously for a few seconds. Timer Function The Enerflow heat pump can be set to only run during specific periods of the day. This function allows the heat pump to adjust to the user’s daily routine and ensures that hot water is available when it should be. - Page 7 Timer Press the button to acknowledge the Hour Active setting and continue to the Minutes setting. (The Minutes and the “1 ON” sign will flash.) Make use of the buttons to set the Minutes parameter. (Set to the first start-up Minutes) Press the button to acknowledge the Minutes setting and continue to the “1 OFF”...
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Page 8: Element Back-Up
ELEMENT BACK-UP The Enerflow heat pump is equipped with the intelligent function to use the electrical element located in the geyser as a backup system. This is to ensure that the user will have hot water even in the adverse event where the heat pump has entered into self- protection caused by an external event (such as too low or too high electrical supply voltage). -
Page 9: Legionella Disinfection Cycle
Legionella Disinfection Cycle The Enerflow heat pump has the ability to disinfect your geyser once a week (Monday mornings at 02h00) from bacteria such as Legionella*. During this process the heat pump will automatically be started to heat the water to 55°C where after the electric element will be activated until the target temperature (set in parameter 6** - recommended 60°C) is reached (geyser thermostat set to 60°C as default... -
Page 10: Micro Circulation Function
MICRO CIRCULATION FUNCTION Your Enerflow heat pump has the functionality of heating a central, ring-main water distribution pipeline. This function is used to ensure that hot water is supplied throughout the residence as an instant hot-water-on-tap solution. The installer will ensure that the commissioning valve on the return line is set to an approximate 10% bypass (i.e. -
Page 11: Heat Pump Operating Parameters
Heat Pump Operating Parameters The heat pump operation is governed by 22 input parameters. Some of the operating parameters may be adjusted by the user if required. The remainder of the parameters are set by the qualified installer and should not be changed. The function and range of all the parameters are explained in the following table: Param- Description... - Page 12 Param- Description Range Default Remark eter Heat pump auto restart mode 0 / 1 Adjustable (Off = 0; On = 1) Starting temperature for defrosting -9 ~ 10 °C 4°C Do not change evaporator Beeper (Off = 0; On = 1) 0 / 1 Adjustable Disinfecting cycle (Off = 0;...
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Page 13: Changing Parameters
Remarks • Parameter 0 – It is advised to set the target temperature at 55°C. • Parameter 1 – Temperature difference between target and measured temperature before heat pump starts. Recommended to set this at 5°C. • Parameter 13 – It is advised to set the temperature at 115°C which is indicated as b5. •... - Page 14 Make use of the buttons to select between the different operating parameters. To change an operating value, press the button once. (Quickly) (The parameter number “At the bottom” will not be flashing anymore, but the current setting “Indicated between the lines” will continue to flash) Note: If both continue to flash, please ensure the heat pump is in Standby mode.
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Page 15: Maintenance And Servicing
Maintenance and Servicing The following maintenance should be done by the user at least quarterly. In areas where excessive debris is present in the water (i.e. at construction sites or where repairs were done on municipal water lines) more frequent maintenance may be required. Before undertaking any maintenance on the heat pump, engage the Standby Mode as indicated in section 3.2 Heat pump modes. -
Page 16: Other General Maintenance Considerations
Ensure that all the parameters are set correctly. Annual service performed by the installer Although your Enerflow heat pump is a self-contained and reliable means of providing eco-friendly hot water, an annual service is required to ensure efficient performance and that warranty conditions are met. The following items must be checked: •... -
Page 17: Heat Pump Self-Protection Codes
NOTE: The service operations as described in the section above shall only be carried out by qualified installer/personnel who are well trained within their respective fields. In areas where hard water conditions are present, this service may need to be per- formed more frequently (such as every 4-6 months). - Page 18 Recommended Fault/Error Possible Cause Action/Remark First class anti-freeze Error will automatically disappear after protection. ambient temperatures rises. Second class anti-freeze Error will automatically disappear after protection. ambient temperatures rises. Water level sensor failure. Contact the installer. Overload protection. Contact the installer. In case of any of these failures the Heat pump return water temp.
- Page 19 PLEASE NOTE THE FOLLOWING: Outdoor temperature, water inlet temperature and parameter settings may affect the performance and power consumption of the heat pump unit. Ensure that the heat pump air flow is not blocked. If the ambient temperature is too high, the fan may stop working temporarily in order to protect the system.
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Page 20: Optimise Energy Savings
How it works The Enerflow heat pump uses an air-source-vapour-compression-cycle to transfer heat from ambient temperatures in the atmosphere to the water in a geyser. A refrigeration/gas cycle is normally made up of four components (Evaporator, Compressor, Condenser, and Expansion Valve) each with a very specific function. -
Page 21: How To Optimise Energy Efficiency
The graph below depicts a typical Enerflow heat pump’s saving at certain atmospheric air- and inlet water temperatures. In this picture it can be clearly seen that the heat pump will save more energy (i.e. -
Page 22: Suggested Timer Settings
The Enerflow heat pump may heat the geyser faster than an electrical element • in outside air temperatures higher than 18°C, but may take longer when outside air temperatures are below 18°C. -
Page 23: Residential Heat Pump Warranty
RESIDENTIAL HEAT PUMP WARRANTY The Enerflow residential heat pump unit is covered by a carry-in warranty. The manufacturer will therefore be liable for all costs with regards to repairing the heat pump at any of their appointed service centres during the warranty period. The heat pump removal, delivery and re-installation cost is not covered by the manufacturer’s... - Page 24 Damage caused to components due to rust is not covered under these warranty conditions. Wetted component warranties will only be valid where products are installed to handle water that complies with SANS241 Class 1. Under no circumstances shall M-Tech Industrial be responsible for loss of Distributor’s profit or for any consequential or indirect or any other damages of any nature whatsoever and from whatever cause arising.
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Page 25: Installation Handover Certificate
I (the undersigned) acknowledge that the installation was completed and tested as fully functioning. I confirm that the installer has shown me the workings and operation of my Enerflow heat pump. I also understand the operation and safety requirements for this heat pump unit. - Page 26 FOR INFORMATION ONLY Configuration Management M-Tech Industrial (Pty) Ltd...
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Page 27: Performance Specifications
Performance Specifications Please visit www.enerflow.co.za for the performance specifications of your specific heat pump model. FOR INFORMATION ONLY Configuration Management M-Tech Industrial (Pty) Ltd... -
Page 28: Swimming Pool
M-Tech Industrial Tel: +27 (0)18 297 0326/7 24 Totius street, Totius Park, Fax: +27 (0)18 297 0318 Potchefstroom, South Africa Email: rhp@enerflow.co.za www.enerflow.co.za FOR INFORMATION ONLY Configuration Management M-Tech Industrial (Pty) Ltd...
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